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Service List
EL10-011

MS PATRICIA VAN GERPEN
EXECUTIVE DIRECTOR
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD 57501
patty.vangerpen@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MS KARA SEMMLER
STAFF ATTORNEY
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
kara.semmler@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MR RYAN SOYE
STAFF ATTORNEY
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
ryan.soye@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MR JON THURBER
STAFF ANALYST
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
jon.thurber@state.sd.us  
605-773-3201 – voice
866-757-6031 – fax

MR BOB KNADLE
STAFF ANALYST
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
bob.knadle@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MR DAVID JACOBSON
STAFF ANALYST
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
david.jacobson@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MS BRITTANY MEHLHAFF
STAFF ANALYST
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
brittany.mehlhaff@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MR ROSS PEDERSEN
STAFF ANALYST
SOUTH DAKOTA PUBLIC UTILITIES COMMISSION
500 EAST CAPITOL
PIERRE SD  57501
ross.pedersen@state.sd.us
605-773-3201 – voice
866-757-6031 – fax

MS DIANE MERZ
RATE CASE COORDINATOR
OTTER TAIL POWER COMPANY
215 SOUTH CASCADE STREET
FERGUS FALLS MN 56537
dmerz@otpco.com
218-739-8200 - voice

MR THOMAS R BRAUSE
VICE PRESIDENT ADMINISTRATION
OTTER TAIL POWER COMPANY
215 SOUTH CASCADE STREET
FERGUS FALLS MN 56537
tbrause@otpco.com
218-739-8525 - voice

MR RON L SPANGLER
RATE CASE MANAGER
OTTER TAIL POWER COMPANY
215 SOUTH CASCADE STREET
FERGUS FALLS MN 56537
rlspangler@otpco.com
218-739-8838 - voice

MR BRUCE G GERHARDSON
ASSOCIATE GENERAL COUNSEL
OTTER TAIL POWER COMPANY
215 SOUTH CASCADE STREET
FERGUS FALLS MN 56537
bgerhardson@otpco.com
218-998-7108 - voice